What color is #659DE6?

#659DE6 is a light, vivid blue. In RGB it is rgb(101, 157, 230), and in HSL hsl(214, 72%, 65%).

Is #659DE6 accessible as text?

On white, #659DE6 has a contrast ratio of 2.79:1 (fails WCAG AA for body text); on black it is 7.52:1 (passes). For text placed on #659DE6, use black for the best readability.

What is the closest Tailwind color to #659DE6?

The nearest Tailwind CSS token is blue-400 (#51A2FF).

What colors go well with #659DE6?

#659DE6 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E6AE65. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #659DE6 below.

Is #659DE6 good for buttons?

#659DE6 works well for buttons and highlights, but use black text on #659DE6 — white text only reaches 2.79:1, below the 4.5:1 needed for normal-size labels.

Is #659DE6 the same as CSS cornflowerblue?

No — #659DE6 is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#659DE6 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #659DE6

Not just a swatch — here's how #659DE6 works with other colors. Named schemes with #659DE6 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #659DE6 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Cornflower Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #659DE6 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Cornflower Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #659DE6 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #90C3FF

Cornflower Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cornflower Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #659DE6 Secondary #B5C9E3 Support #9D8F89 Ink #16140F

Cornflower Blue is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Cornflower Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #659DE6 Anchor #3B2924 Surface #EAE5D0 Accent #799E78 Secondary #393933

Cornflower Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #659DE6 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 17/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 54/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 40/100

Low

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 48/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 64/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #659DE6

For UI

For branding

For interior

For fashion

People also use #659DE6 with

Electric Blue Medium Slate Blue Fawn Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 6.7:1. Use

Subtle surface Use #E4ECF6 for cards and hover fills. Tint 80

Avoid beside #6572E6 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #659DE6 at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #659DE6;
  --color-base-rgb: 101 157 230;
  --color-base-oklch: oklch(68.8% 0.124 255.6);
  --color-50: #F1F7FD;
  --color-100: #DBE9FA;
  --color-200: #B9D2F3;
  --color-300: #89B1E6;
  --color-400: #5D91D5;
  --color-500: #3B72BA;
  --color-600: #345B8E;
  --color-700: #2A4464;
  --color-800: #1F2E42;
  --color-900: #151D28;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cornflower-blue: {
    50: '#F1F7FD',
    100: '#DBE9FA',
    200: '#B9D2F3',
    300: '#89B1E6',
    400: '#5D91D5',
    500: '#3B72BA',
    600: '#345B8E',
    700: '#2A4464',
    800: '#1F2E42',
    900: '#151D28',
  },
}

$base: #659DE6;
$base-ink: #141310;
$base-50: #F1F7FD;
$base-100: #DBE9FA;
$base-200: #B9D2F3;
$base-300: #89B1E6;
$base-400: #5D91D5;
$base-500: #3B72BA;
$base-600: #345B8E;
$base-700: #2A4464;
$base-800: #1F2E42;
$base-900: #151D28;
$base-hover: #2C79DD;
$base-subtle: #D6E2F3;

{
    "color": {
        "base": {
            "value": "#659DE6",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F7FD",
                "type": "color"
            },
            "100": {
                "value": "#DBE9FA",
                "type": "color"
            },
            "200": {
                "value": "#B9D2F3",
                "type": "color"
            },
            "300": {
                "value": "#89B1E6",
                "type": "color"
            },
            "400": {
                "value": "#5D91D5",
                "type": "color"
            },
            "500": {
                "value": "#3B72BA",
                "type": "color"
            },
            "600": {
                "value": "#345B8E",
                "type": "color"
            },
            "700": {
                "value": "#2A4464",
                "type": "color"
            },
            "800": {
                "value": "#1F2E42",
                "type": "color"
            },
            "900": {
                "value": "#151D28",
                "type": "color"
            }
        }
    }
}